Exam 3 Flashcards
Beers Criteria
listing of drugs that carry high risks for older adults and criteria for potentially inappropriate medication use in older adults
Biological Half life
the time necessary for half of a drug to be excreted from the body
Pharmacokinetics
refers to the absorption, distribution, metabolism, and excretion of drugs
Pharmacodynamics
refers to the biologic and therapeutic effects of drugs at the site of action or on the target organ
Polypharmacy
use of multiple medications
Age-related changes create
Pharmacokinetics
Pharmocodynamics
Most common mediation?
Cardiovascular agents
Decreased intracellular fluid, increased gastric pH, decreased gastric blood flow and motility, reduced cardiac output and circulation, and slower metabolism can slow drug absorption.
True
Distribution changes in older adults
- changes in circulation
- changes in membrane permeability
- body temperature
- tissue structure
If your liver is not functioning.. you will not
LIVE
Liver influences what?
Drug detoxification and excretion
As you get older what is the central nervous system increasingly sensitive to
- alcohol
- narcotics
- bromides
What is an early identifier to adverse reactions to medications in older adults ?
Change in mental status
Varying degrees of mental dysfunction are often the early signs of adverse reactions to commonly prescribed medications for older adults.
True
Most common route to administering drugs ?
Oral
Fastest route of drug administration?
IV
Aspirin can cause?
Intestinal bleeding
Acetaminophen
lacks anti inflammatory properties can cause liver failure ( hepatic necrosis)
Short Acting Opioids are for ?
Mild/ Moderate pain can cause constipation
Long acting opioids
Severe pain can cause constipation and gastric immobility
What is acetaminophen commonly used to treat
osteoarthritis
What is acetaminophen used for ?
Mild to Moderate Pain
What should the daily does of acetaminophen not exceed ?
4,000 mg
What should not be used for people who have liver disease ?
Acetaminophen